61617720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{513481}}^1$

素因数の和:513495

約数の個数: 32

約数和(自身を含む): 184853520

約数和(自身を除く): 123235800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 513481, 1026962, 1540443, 2053924, 2567405, 3080886, 4107848, 5134810, 6161772, 7702215, 10269620, 12323544, 15404430, 20539240, 30808860, 61617720]

約数ペア:

[(1, 61617720), (2, 30808860), (3, 20539240), (4, 15404430), (5, 12323544), (6, 10269620), (8, 7702215), (10, 6161772), (12, 5134810), (15, 4107848), (20, 3080886), (24, 2567405), (30, 2053924), (40, 1540443), (60, 1026962), (120, 513481)]